Base | Representation |
---|---|
bin | 1011110100101000001001… |
… | …1000011010010001010010 |
3 | 1201000200001211100111220221 |
4 | 2331022002120122101102 |
5 | 3200432424132143314 |
6 | 43351314110223254 |
7 | 2511062231663446 |
oct | 275120230322122 |
9 | 51020054314827 |
10 | 12998758474834 |
11 | 4161819311540 |
12 | 155b2b5ab4b2a |
13 | 733a156b5142 |
14 | 32d2011a6826 |
15 | 1781da697824 |
hex | bd28261a452 |
12998758474834 has 32 divisors (see below), whose sum is σ = 22391806224960. Its totient is φ = 5597151436800.
The previous prime is 12998758474817. The next prime is 12998758474901. The reversal of 12998758474834 is 43847485789921.
It is a super-2 number, since 2×129987584748342 (a number of 27 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4781622 + ... + 6990094.
It is an arithmetic number, because the mean of its divisors is an integer number (699743944530).
Almost surely, 212998758474834 is an apocalyptic number.
12998758474834 is a deficient number, since it is larger than the sum of its proper divisors (9393047750126).
12998758474834 is a wasteful number, since it uses less digits than its factorization.
12998758474834 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2222586.
The product of its digits is 3901685760, while the sum is 79.
The spelling of 12998758474834 in words is "twelve trillion, nine hundred ninety-eight billion, seven hundred fifty-eight million, four hundred seventy-four thousand, eight hundred thirty-four".
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